Unauthorized Access in Omron PLCs due to Password Exposure
CVE-2022-31205

7.5HIGH

Key Information:

Vendor

Omron

Status
Sysmac Cs1 Firmware
Vendor
CVE Published:
26 July 2022

What is CVE-2022-31205?

Omron's CS, CJ, and CP series PLCs, as of May 18, 2022, have a security flaw where the password required to access the Web UI is stored in specific memory locations. This information can be retrieved using the Omron FINS protocol without any additional authentication measures. As a result, this vulnerability could allow unauthorized users to gain access to sensitive control systems.

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References

https://www.forescout.com/blog/
x_refsource_MISC
https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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